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INPUT DEVICE

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INPUT DEVICES An input device is an electromechanical device that accepts data from outside world and translates them into a form a computer can interpret. Several input devices are available today. we classify them broadlly into following categories: 1. Keyboard                                      2. Point-and-draw devices 3.Data scanning devices                   4. Digitizer 5. Electronic cards based devices     6.Speech recognition devices 7. Vision based devices 1. Keyboard Keyboard  device are the most commonly used input device today. They allow data entry into a computer system by pressing a set of keys(labeled buttons) neatly mounted on a keyboard connected to a computer system. The most popular keyboard used today is the 101 -keys QWERTY keyboard. 2. Point-and-Draw-Devices The point and draw device is  an input system that helps to point and select an icon to be shown on the screen quickly . Some of the most common point and draw devices are. Trackball, Mouse, Joystick, Expl
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Computer and Characteristics of computer

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Computer The word "computer" comes from the word "compute", which means, "tty caleulate" Menee, epie 1ually considera computer to be a calculating device that can perform arithmetie oeatioms at high sed Alingh the original objective of inventing a computer was to create a fast calkculatimg devive, we ow define a computer as 4 device that operates upon data becaue more than 80% of work done by today's conputers is tlata proeessiny Data can be anything like bio-data of applicants when computer i% ued for shon isting candilates fr reruiting: TTarks obtained by students in various subjects when uscd for preparing results; details (name, age, se, ete) of passengers when used for mraking airline or railway reservations; or nunbCr of different parameters when ssed fn solving scientific research problems, cte, Notice from the examples that data can he either umerical, on IurTIerical, or a mixture of both.  A computer is often referred to as a data processSor b
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Operating System Basics

  Operating System The operating system is an important components of the computer system. It can be defined as a set of programs that control how the system works. It is the most important program that runs on a computer. It is considered the backbone of a computer, managing both software and hardware resources. All computers must have an operating system used for starting the computer and to run other programs. It provides an interface between the users and the hardware of a computer system. Functions Of Operating System 1. It works as an interface between computers hardware and software. 2. Process management , that is assignment of processor to different tasks being performed by the computer system. 3. Memory management,  that is , allocation of main memory and other storage areas to the system programs as well as users programs. 4. Input/Output Management, that is, assignment of the different input/output devices to one or more programs, while they are being executed. 5. Interpret
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Questions related with tally

Some questions on tally :- Q.1 What is the full form of tally? Ans: Total Accounting Leading Least Year Q.2 Who is the father of tally? Ans: Shyam Sunder Goenka Q.3 Who is the Co- founder of tally? Ans: Bharat Goenka Q.4 Tally developed by:- Ans: Tally Solution Q.5 Which option is used to open created company in tally? Ans: Select company Q.6 Which option is used in tally to close opened company? Ans: Shut Company Q.7 Which key is used to print a report in tally?  Ans: Alt + P Q.8 Short cut key to select a company:- Ans: F1 Q.9 Short cut key to change the date of  transaction:- Ans:  F2 Q.10 Alt + d is used to:- Ans: Delete any voucher Q.11 Tally has been developed using:- Ans: C++ Q.12 Which option is used to make changes in company? Ans: Alter Q.13 Salary account comes which head? Ans : Indirect expenses Q.14 How many predefined group in tally? Ans: 28 Q.15 How many primary group in tally? Ans: 15 Q.16 How many secondary group in tally? Ans: 13 Q.17 What is the short cut key of sales
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Himachal GK Questions

  Q.1 What is the vedic name of river Chenab? Ans: Askini Q.2 Who  led the Quit India movement 1942 in Shimla? Ans:  Amrit kaur Q.3 In  which year did Maharaja Ranjit Singh invade Mandi? Ans: 1830 Q.4 Who  is the author of the famous book ‘Bilaspur- Past Present and Future’? Ans: Anand Chand Q.5 Which of the following district of Himachal Pradesh is known as “Chhota Kashi”? Ans: Kullu Q.6 In which  district is Gauri Devi ka Tibba peak located? Ans: Chamba Q.7 Yamuna river enters Himachal Pradesh at which place? Ans: Khadar majri Q.8 In which place in Himachal Pradesh is Lavi Fair celebrated? Ans: Rampur Q.9 The group of eighty four temples (Chaurasi temples) is located at which place in Himachal Pradesh?  Ans: Bharmor Q.10 Who was the first governor of Himachal Pradesh? Ans: S.  Chakaravati Q.11The headquarter of Kangra district is at? Ans : Dharamshala Q.12 Pin Valley National Park is located in which district of Himachal Pradesh? Ans : Lahaul Spiti Q.13:When was Bilaspur state merged
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Most Beautiful Places in India

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  Anyone who loves to travel knows that India’s beauty lies in its diversity. Our country is an exciting melting pot of different and alluring landscapes, cultures, languages and gourmet delights. No two states are exactly the same, which can make it challenging to plan a trip. Some most Beautiful Places in India 1.Khajjiar in Himachal Pradesh Popularly known as Mini Switzerland, Khajjiar deserves your attention if you are looking for  places in India for honeymoon . The combination of lush green meadows, lofty Himalayas encased in snow and dense forests make this place heavenly. Here, you can enjoy adventures like trekking, zorbing, jungle safari and paragliding.  Best time to visit –  March to October Ideal duration –   2.Nubra Valley, Ladakh – The Undiscovered Realm Of Nature   Known for its   orchards, scenic vistas, Bactrian camels and monasteries ; surrounded by snowcapped   Himalayan   ranges,   Nubra valley   lies sandwiched between   Tibet   and   Kashmir.   There are sand dun
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Abbreviation Used in computer

Computer:  Computer is an electronic machine that which be input the data,process the data and output the data. Some following abbreviation Used in computer:-  AI  -   Artificial intelligence ALU - Arithmetic Logic Unit APL -  A Programing Language BCD -  Binary Coded Decimal CAD - Computer Aided Design CAM - Computer Aided Manufacturing CAN - Campus Area Network CD - Compact Disk CL -  Command Language CPU- Central Processing Unit DAT- Digital Audio Tape DBMS - Data base management system DNA - Digital Network Architecture DTS - Digital Theater System EPG - Electronic Programing Guide FAT - File Allocation Table FDM - Frequency Division Multiplexing FM - Frequency Modulation FMS -File Management System FTP - File Transfer Protocol GB -  Giga Bytes GIS -  Geographical Information System GPL - General Public License GUI - Graphical User Interface HSS - Hierarchical Storage System HTML - Hyper Text Markup Language HTTP - Hyper Text Transport Protocol IP - Internet Protocol ISP -   int
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Questions on world geography

Q.1 Dead sea is located between which two countries? Ans: Jordan and Israel   Q.2 Which is the longest river in the world ? Ans:Nile River Q.3 Which is the largest waterfall in the world? Ans: Victoria falls Q.4 Which is the world's smallest country?  And: Vatican city Q.5 Which is the largest country in the world? And:Russia Q.6Which is the tallest Mountain in the world? Ans: Mount Everest Q.7Which is the largest island in the world? Ans: Greenland Q.8 Which line separates India and China? Ans:Mac-Mohan line Q.9 Which is the largest desert in the world? Ans:Sahara Desert Q.10Which is the coldest Continent in the world? Ans: Antarctica
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